Preheat the oven to 180℃ (160℃ fan)/350°F/gas mark 4.
Place 200g flour and 100g butter,100g ground almonds and 75g caster sugar into a food processor and blitz until the mixture resembles crumbs. Alternatively, rub the butter into the flour until the mixture resembles coarse breadcrumbs. Add the almonds and sugar and stir to combine. Set aside.
To make the filling
Wash 500g plums, cut into quarters discarding the stones and place in a shallow baking dish. Peel, core and thickly slice 2 pears add to the dish. Sprinkle with 1 tsp cornflour and 3 tbsp caster sugar and toss to combine.
Spread the fruit level in the dish and sprinkle over the crumble topping. Place the dish on a baking sheet and bake for about 45 minutes or until golden.
Nutrition information is calculated usingan online nutrition database - is approximate and is meant as a guideline only.